Quick but annoying problem

Discussion in 'Mac Programming' started by adildacoolset, Sep 5, 2011.

  1. adildacoolset macrumors 65816

    Sep 5, 2011
    Lusaka, Zambia(If you know where it is)
    Hello developers!
    I am using Xcode 4 and have run into a little bit of a problem. Firstly, I have been compiling and building mac apps easily in Xcode 3. But when I try to compile in Xcode 4, I get this error of a code sign error and the certificate for developing doesn't match. I can't find a way to fix it.

    And secondly, some projects don't have this error. So when I try to implement a text view and a toolbar in the xib, it compiles normally but does not run. It runs for like a millisecond and then quits. So please help me with that.

    It's now driving me crazy, as I can't get anything done. A shame, because Xcode 4 has an awesome interface
  2. Sydde macrumors 68020


    Aug 17, 2009

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